CN218337003U

CN218337003U - Photovoltaic energy storage inverter with good heat dissipation performance

Info

Publication number: CN218337003U
Application number: CN202222700978.1U
Authority: CN
Inventors: 喻昭; 邓子绍; 毛德; 向昌波
Original assignee: Shenzhen City Awesome Energy Technology Co ltd
Current assignee: Shenzhen Gefuen New Energy Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-17
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a good heat dissipation's photovoltaic energy storage dc-to-ac converter belongs to dc-to-ac converter technical field, including the dc-to-ac converter main part, a side of dc-to-ac converter main part is provided with the heat dissipation cavity, and the internally mounted of heat dissipation cavity has heating element, and the surface spiral dish of heat dissipation cavity is equipped with the spiral fin, and a side of dc-to-ac converter main part is located the outside fixedly connected with protecting box of heat dissipation cavity, and the air exit has been seted up to the inner wall of protecting box and the edge fixed connection of spiral fin, a side of protecting box, and fixedly connected with goes out the tuber pipe in the air exit. The utility model discloses a be provided with protective housing and spiral fin, can be so that the cold wind that the fan produced, cold wind flows along the track that spiral fin formed to area of contact between can greatly increased cold wind and the heat dissipation cavity improves the velocity of flow of cold wind simultaneously, thereby improves the radiating efficiency of heat dissipation cavity, and then improves the radiating efficiency of the inside heating element of dc-to-ac converter main part.

Description

Photovoltaic energy storage inverter with good heat dissipation performance

Technical Field

The utility model relates to an inverter technical field especially relates to good heat dissipation's photovoltaic energy storage dc-to-ac converter.

Background

The photovoltaic energy storage inverter can convert variable direct-current voltage generated by the photovoltaic solar panel into alternating current with commercial power frequency, can feed back the alternating current to a commercial power transmission system or can be used by an off-grid power grid, is provided with an energy storage battery, can work off the grid, and is switched into a battery power supply mode to supply power to a load.

The radiating fins are arranged on the outer surface of the radiating cavity on the existing inverter to help the heating element in the inverter to radiate heat, but the radiating fins are only used for helping the heating element in the radiating cavity to radiate heat, so that the radiating efficiency is low, the ambient temperature is high in high-temperature weather, and the normal radiation of the heating element cannot be guaranteed only by the radiating fins, so that the photovoltaic energy storage inverter with good radiating performance is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving only through the fin among the prior art, can't guarantee the normal radiating problem of heating element in high temperature weather, and the good heat dissipation's that provides photovoltaic energy storage inverter.

In order to realize the purpose, the utility model adopts the following technical scheme:

good heat dissipation's photovoltaic energy storage dc-to-ac converter, including the dc-to-ac converter main part, a side of dc-to-ac converter main part is provided with the heat dissipation cavity, the internally mounted of heat dissipation cavity has heating element, the surface spiral dish of heat dissipation cavity is equipped with the spiral fin, a side of dc-to-ac converter main part is located the outside fixedly connected with protecting box of heat dissipation cavity, the inner wall of protecting box and the edge fixed connection of spiral fin, the air exit has been seted up to a side of protecting box, fixedly connected with goes out the tuber pipe in the air exit, the one end that goes out the tuber pipe is rotated and is connected with the rotatory pipe, lateral wall fixedly connected with exhaust pipe all around of rotatory pipe, a side of dc-to-ac converter main part is located the below fixedly connected with bellows of protecting box.

Preferably, the side wall of the protection box is provided with an air inlet, the outer side surface of the protection box is fixedly connected with a plurality of external radiating fins, and the surfaces of the external radiating fins are provided with circular through holes.

Preferably, fans are installed on two side faces of the air box, an air inlet pipe is fixedly connected to the top end of the air box, and one end of the air inlet pipe is fixedly connected with the air inlet.

Preferably, the exhaust pipe is L-shaped, and the air outlet end face of the exhaust pipe is arranged on the outer radiating fins.

Preferably, the outer surface of the air outlet pipe is fixedly connected with a rotating ring, the inner side surface of the rotating pipe is provided with an annular groove, and the rotating ring is in sliding connection with the annular groove.

Preferably, the inner side surface of the rotating pipe is fixedly connected with a windmill, and the windmill is arranged close to the air outlet pipe.

Preferably, the two side faces of the inverter main body are fixedly connected with butt-joint plates, one side of the inverter main body is provided with a suspension plate, one side face of the suspension plate is close to the edge and is fixedly connected with a connecting plate, threaded through holes are formed in the surfaces of the connecting plate and the butt-joint plates, mounting screws are arranged in the threaded through holes, and a suspension hole is formed in one side face of the suspension plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with protective housing and spiral fin, can be so that the cold wind that the fan produced, cold wind flows along the track that spiral fin formed to area of contact between can greatly increased cold wind and the heat dissipation cavity, can improve the velocity of flow of cold wind simultaneously, and then improve heat dissipation cavity air flow rate all around, thereby improve the radiating efficiency of heat dissipation cavity, and then improve the inside heating element's of dc-to-ac converter main part radiating efficiency.

2. The utility model discloses a be provided with outside fin and exhaust pipe, through making the exhaust pipe just to outside fin, utilize exhaust wind can accelerate the air flow rate around the outside fin, thereby improve the radiating efficiency of outside fin, and then improve the radiating efficiency of protective housing inner space, through being provided with windmill and rotatory pipe, can make the rotatory pipe rotate, and then make the combustion gas air-current blow to everywhere outside fin, guarantee the radiating efficiency of outside fin everywhere, further improvement radiating cavity inside heating element's radiating efficiency.

Drawings

Fig. 1 is a schematic perspective view of a photovoltaic energy storage inverter with good heat dissipation performance according to the present invention;

fig. 2 is a schematic view of a connection structure between an inverter main body and a suspension plate in the photovoltaic energy storage inverter with good heat dissipation performance provided by the present invention;

fig. 3 is a schematic view of a connection structure between an air outlet pipe and a rotating pipe in the photovoltaic energy storage inverter with good heat dissipation performance provided by the present invention;

fig. 4 is the utility model provides a good heat dissipation's photovoltaic energy storage inverter middle protective housing's internal structure schematic diagram.

In the figure: 1. an inverter main body; 2. a suspension plate; 201. a hanging hole; 3. an air box; 4. a fan; 5. a connecting plate; 6. an external heat sink; 7. a protective box; 701. an air inlet; 8. a butt plate; 9. rotating the tube; 10. an exhaust duct; 11. an air outlet pipe; 12. a windmill; 13. a heat dissipation cavity; 14. a spiral heat sink; 15. an air inlet pipe; 16. the ring is rotated.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a photovoltaic energy storage inverter with good heat dissipation performance includes an inverter main body 1, a heat dissipation cavity 13 is disposed on one side surface of the inverter main body 1, a heating element is mounted inside the heat dissipation cavity 13, a spiral heat dissipation plate 14 is disposed on an outer surface of the heat dissipation cavity 13, the spiral heat dissipation plate 14 can greatly increase a contact area with the heat dissipation cavity 13 compared with a common heat dissipation plate, and improve a heat dissipation efficiency of the heat dissipation cavity 13, a protection box 7 is fixedly connected to one side surface of the inverter main body 1, an inner wall of the protection box 7 is fixedly connected to an edge of the spiral heat dissipation plate 14, so that cold air entering the protection box 7 can only flow along a track formed by the spiral heat dissipation plate 14, a flow rate of the cold air is improved, further, an air flow rate around the heat dissipation cavity 13 is improved, the heat dissipation efficiency of the heat dissipation cavity 13 is ensured, an air outlet is formed in one side surface of the protection box 7, an air outlet pipe 11 is fixedly connected to the air outlet, one end of the air outlet pipe 11 is rotatably connected to a rotary pipe 9, exhaust pipe 10 is fixedly connected to a peripheral side wall of the rotary pipe 9, a side surface of the rotary pipe 10, a side surface of the inverter main body 1 is fixedly connected to a lower portion of the protection box 7, and a wind box 3 can provide a wind box for the heat dissipation element.

Air intake 701 has been seted up to the lateral wall of protective housing 7, and a plurality of outside fin 6 of lateral surface fixedly connected with of protective housing 7, and circular through-hole has been seted up on the surface of outside fin 6, and the radiating efficiency of protective housing 7 inner space can be strengthened in the setting of outside fin 6, and the heat radiating area of outside fin 6 can be increased in the setting of circular through-hole.

Fans 4 are installed on two side faces of the air box 3, an air inlet pipe 15 is fixedly connected to the top end of the air box 3, one end of the air inlet pipe 15 is fixedly connected with the air inlet 701, and cold air generated by the fans 4 can be conveyed into the protective box 7 through the air box 3 and the air inlet pipe 15 to provide cold air for heat dissipation of heating elements inside the inverter.

Exhaust pipe 10 be L shape, and exhaust pipe 10's air-out terminal surface sets up to outside fin 6 for the air flow rate around outside fin 6 can be accelerated to exhaust wind, improves outside fin 6's radiating efficiency.

The outer surface of the air outlet pipe 11 is fixedly connected with a rotating ring 16, the inner side surface of the rotating pipe 9 is provided with an annular groove, and the rotating ring 16 is in sliding connection with the annular groove, so that the connection stability of the air outlet pipe 11 and the rotating pipe 9 is ensured.

The inner side surface of the rotating pipe 9 is fixedly connected with a windmill 12, the windmill 12 is arranged close to the air outlet pipe 11, the windmill 12 rotates under the action of the discharged wind power, and further the rotating pipe 9 and the exhaust pipe 10 are driven to rotate, so that the discharged wind power can contact with the external radiating fins 6 at each position, and the radiating efficiency of the external radiating fins 6 at each position is ensured.

Two sides face fixedly connected with butt-joint plate 8 of dc-to-ac converter main part 1, one side of dc-to-ac converter main part 1 is provided with hangs board 2, the side that hangs board 2 is close to edge fixedly connected with connecting plate 5, threaded through-hole has all been seted up on the surface of connecting plate 5 and butt-joint plate 8, be provided with the mounting screw in the threaded through-hole, the side that hangs board 2 has been seted up and has been hung hole 201, the mounting function who hangs board 2 and dc-to-ac converter main part 1 can be realized to connecting plate 5 cooperation mounting screw, hang the hole 201 that hangs on board 2 and conveniently hang dc-to-ac converter main part 1 on the wall body.

The utility model discloses when using, open fan 4, the cold wind that fan 4 produced gets into air-supply line 15 through bellows 3, then get into in the protective housing 7, cold wind flows along the track that spiral fin 14 formed, because the track inner space is little, back in the cold wind gets into the track, the velocity of flow can improve greatly, thereby improve the air flow rate around heat dissipation cavity 13, and then can take away the heat that heat dissipation cavity 13 and spiral fin 14 surface produced fast, thereby improve heat dissipation cavity 13's radiating efficiency, and then improve heat dissipation cavity 13 inside heating element's radiating efficiency, because spiral fin 14 spiral dish is established around heat dissipation cavity 13, compare with ordinary fin, can greatly increased and heat dissipation cavity 13's area of contact, further improve heat dissipation cavity 13 inside heating element's radiating efficiency.

The cold wind flows out of the protection box 7 along the spiral radiating fins 14 and enters the air outlet pipe 11 and then enters the rotating pipe 9, the windmill 12 inside the rotating pipe 9 rotates under the action of the wind force of the cold wind, and then the exhaust pipe 10 is driven to rotate, the cold wind is discharged through the exhaust pipe 10, the air flow rate around the external radiating fins 6 can be accelerated by the discharged cold wind, the radiating efficiency of the external radiating fins 6 is improved, because the exhaust pipe 10 is rotary, the discharged cold wind can be made to contact the external radiating fins 6 at all positions, the radiating efficiency of the external radiating fins 6 at all positions is ensured, and the radiating efficiency of the internal space of the protection box 7 is improved, so that the radiating efficiency of heating elements inside the radiating cavity 13 is indirectly improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Good heat dissipation's photovoltaic energy storage inverter, including inverter main part (1), its characterized in that, a side of inverter main part (1) is provided with heat dissipation cavity (13), the internally mounted of heat dissipation cavity (13) has heating element, the surface spiral dish of heat dissipation cavity (13) is equipped with spiral fin (14), a side of inverter main part (1) is located outside fixedly connected with protecting box (7) of heat dissipation cavity (13), the inner wall of protecting box (7) and the edge fixed connection of spiral fin (14), the air exit has been seted up to a side of protecting box (7), fixedly connected with tuber pipe (11) in the air exit, the one end of tuber pipe (11) is rotated and is connected with swivel pipe (9), lateral wall fixedly connected with exhaust pipe (10) all around of swivel pipe (9), a side of inverter main part (1) is located below fixedly connected with bellows (3) of protecting box (7).

2. The photovoltaic energy storage inverter with good heat dissipation performance according to claim 1, wherein: an air inlet (701) is formed in the side wall of the protection box (7), a plurality of external radiating fins (6) are fixedly connected to the outer side face of the protection box (7), and circular through holes are formed in the surface of each external radiating fin (6).

3. The photovoltaic energy storage inverter with good heat dissipation performance according to claim 2, wherein: fan (4) are installed to the both sides face of bellows (3), the top fixedly connected with air-supply line (15) of bellows (3), the one end and air intake (701) fixed connection of air-supply line (15).

4. The photovoltaic energy storage inverter with good heat dissipation performance according to claim 2, wherein: the exhaust pipe (10) is L-shaped, and the air outlet end face of the exhaust pipe (10) is arranged on the outer radiating fin (6).

5. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: the outer surface of the air outlet pipe (11) is fixedly connected with a rotating ring (16), the inner side surface of the rotating pipe (9) is provided with an annular groove, and the rotating ring (16) is in sliding connection with the annular groove.

6. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: the inner side surface of the rotating pipe (9) is fixedly connected with a windmill (12), and the windmill (12) is arranged close to the air outlet pipe (11).

7. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: the utility model discloses an inverter, including inverter body (1), both sides face fixedly connected with butt plate (8) of inverter body (1), one side of inverter body (1) is provided with hangs board (2), a side that hangs board (2) is close to edge fixedly connected with connecting plate (5), threaded through hole has all been seted up on the surface of connecting plate (5) and butt plate (8), be provided with the mounting screw in the threaded through hole, a side that hangs board (2) has been seted up and has been hung hole (201).